The GaN patent war

The legal dispute on gallium nitride (GaN) patents between Germany's Infineon and China's Innoscience has gone through its twists and turns throughout the years.

The legal dispute on gallium nitride (GaN) patents between Germany's Infineon and China's Innoscience has gone through its twists and turns throughout the years.

Both sides have secured some legal victories across different courts in different countries. With geopolitical tensions high, no clear conclusion appears in sight.

DIGITMES Asia provides basic users with unlimited access to toll-free articles. Sign up for free subscription now to continue your reading!

Subscribe Now

IN THE NEWS

Saturday 4 July 2026

Infineon wins fourth German patent ruling against Innoscience, as GaN fight flares in Shanghai

Germany's District Court Munich I ruled on July 3 that Innoscience infringed Infineon Technologies' gallium nitride (GaN) patents, barring the Chinese chipmaker from importing, selling,...

Friday 3 July 2026

Infineon China pushes back after GaN products removed at Shanghai electronics show

Infineon China said on July 3 that it is pursuing legal remedies after several gallium nitride (GaN) products became the subject of a removal...

Friday 3 July 2026

Analysis: Innoscience-Infineon clash shows China's courts becoming a weapon in the global GaN race

A rare gallium nitride (GaN) patent clash dominated the opening day of electronica Shanghai 2026, after China's Innoscience accused Infineon of displaying GaN power products covered...

Friday 3 July 2026

Innoscience says Infineon removed disputed GaN products from Shanghai trade show after patent challenge

Chinese gallium nitride (GaN) chipmaker Innoscience said on July 2 via its official WeChat account that certain GaN products from Infineon Technologies displayed at electronica China...

Monday 29 June 2026

Infineon counters Innoscience claim after China GaN patent setback

Infineon and Innoscience are locked in a global legal battle over alleged infringement involving gallium nitride (GaN) technology, with courts across multiple jurisdictions becoming...

Tuesday 23 June 2026

Infineon and InnoScience's GaN patent fight hardens market split

Infineon and InnoScience are escalating their global GaN patent dispute across the US, Germany, and China, with each side scoring wins...

Wednesday 17 June 2026

InnoScience wins GaN patent battle against Infineon in China

InnoScience Technology, a leading China-based integrated device manufacturer (IDM) in gallium nitride (GaN), has won a sweeping victory in the latest patent ruling against global power...

Monday 15 June 2026

InnoScience wins China patent ruling, Infineon GaN sales banned

The Supreme People's Court in China rejected Infineon's reconsideration request on June 12, 2026, upholding a Suzhou Intermediate People's...

Tuesday 12 May 2026

Infineon wins US patent ruling against Chinese GaN rival Innoscience

A patent dispute between Infineon Technologies and China's Innoscience over gallium nitride (GaN) technology has escalated after the US International Trade Commission upheld a preliminary...

Tuesday 12 May 2026

GaN patent fight between China and Europe extends beyond courtroom

As the global patent battle over gallium nitride (GaN) semiconductors intensifies, a recent ruling by the US International Trade Commission...

Friday 5 December 2025

Infineon's GaN patent wall forces global firms to rethink China ties

In the global power-device supply chain, influence is shifting quickly as AI computing demand and geopolitical tension intensify. Although AI data centers urgently need gallium nitride...

Friday 5 December 2025

Commentary: Infineon-Innoscience GaN ruling delivers 'disputed victory' for both sides

The US International Trade Commission (ITC) has issued its initial determination in Infineon's Section 337 case against China-based GaN supplier Innoscience. In a telling move that...

Wednesday 3 December 2025

Innoscience wins US GaN patent case as ITC rules no infringement

Innoscience said at midday on December 3 via the Hong Kong Stock Exchange that it had prevailed in its US patent dispute with Infineon, marking a decisive turn in a long-running GaN...